Question

In a prospective study of pregnant women, information was collected on exercise level of low-risk pregnant working women. A group of 217 women did no voluntary or mandatory exercise during the pregnancy, while a group of 238 women exercised extensively. One outcome variable of interest was experiencing preterm labour. Results are shown in the Table 2. Table 2: Cases of preterm Non cases of PretermTotal Risk Factor Labour Labour 216 238 Extreme exercising Not exercising Total 217 18 199 415 Answer the following questions (give all your answers to 1 decimal places) (a) [4 Marks] Calculate the relative risk of preterm labour when pregnant women exercise extensively. Interpret this value. (b) [4 Marks] Calculate the odds ratio of preterm labour when pregnant women exercise extensively. Interpret this value. 9-2-6 68 9 3 602 990 2 4 1 5 1 00000000 1. 0 1 0 1 0 0 1 10 000 00 10000 1 110000 1 1 0 0 0 54-20-22-11-00 20698 .6 0 80 93 7-10 8-5 00 76 38 74 0000 7 C09 03 5 80536 30 0 73 0. 46 0 0 26 22 00 3 0 0 4 9 5 0 5 0 59 12 15 0 0 0 0 9 20 7, 7 5. 20-775

Answer 1

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